CN217228553U - Paste container for screwing control one-way piston - Google Patents

Abstract

The utility model belongs to the technical field of the lotion packing tube, a revolve lotion container of twisting control one-way piston is provided. The paste container comprises a pipe body and a screwing end which are coaxially arranged; the tube body is a straight piston tube, and a piston is arranged in the tube body; a paste outlet is arranged on the tube body at the upper end of the piston, an air inlet is arranged on the tube body at the lower end of the piston, and a central threaded through hole is arranged on the piston; the end part of the screwing end is fixedly provided with a screw rod which penetrates through the upper end and the lower end inside the pipe body and is in threaded fit with the central threaded through hole of the piston, the screw rod is driven to rotate by rotating the screwing end, and the piston is moved upwards to extrude the paste body by the screw rod through threaded transmission. The utility model utilizes the screw rod-thread transmission to push the piston upwards to extrude the paste body when screwing the end cover by matching the screwing end cover with the piston with the threaded hole; the paste extruding device has the advantages that the overall structure principle is simple, the structure is convenient, paste in the tube can be completely extruded, waste is reduced, and resources are saved; meanwhile, the cylindrical pipe body is convenient to place, attractive and sanitary, and high in practicability.

Description

Paste container for screwing control one-way piston

Technical Field

The utility model belongs to the technical field of the lotion packing tube, concretely relates to revolve lotion container of twisting control one-way piston.

Background

In daily life and daily necessities, a plurality of paste substances need to be packaged by packaging tubes, such as toothpaste, salad dressing, tomato sauce, facial cleanser, shower gel, shampoo and the like. Taking toothpaste as an example, the traditional toothpaste is packaged by a plastic hose or an aluminum-plastic composite hose, the hose packaged toothpaste is not very convenient in the use and extrusion process, and particularly in the later use process, the problems of labor waste in extrusion, incomplete extrusion, residual toothpaste body, resource waste and great inconvenience to users exist. In addition, the soft tube toothpaste is not beautiful when lying on a wash stand, and is not sanitary when standing in a cup.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a paste container for screwing control of the one-way piston, which adopts a novel paste packaging mode, has simple principle and convenient structure, can completely extrude the paste in the tube, and is beneficial to reducing waste and saving resources; meanwhile, the utility model is convenient to be placed, and is sanitary and practical.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

a paste container for screwing a control one-way piston comprises a pipe body and a screwing end which are coaxially arranged;

the pipe body is a straight piston pipe, and a piston is arranged in the pipe body; a paste outlet is formed in the tube body at the upper end of the piston, an air inlet is formed in the tube body at the lower end of the piston, and a central threaded through hole is formed in the piston;

the end part of the screwing end is fixedly provided with a screw rod which penetrates through the upper end and the lower end inside the pipe body and is in threaded fit with the central threaded through hole of the piston, the screw rod is driven to rotate by rotating the screwing end, and the piston is driven to move upwards by the screw rod through threaded transmission to extrude the paste.

Furthermore, the piston is a soft plastic piston with sucking discs at two ends and an adsorption characteristic, and an anti-leakage sealing gasket made of rubber is arranged at a central thread through hole of the piston.

Furthermore, the head contour of the piston contacting with the paste and the bottom contour of the tube head can be matched with each other in an adaptive manner.

Further, the pipe body comprises a pipe head and a middle pipe which is fixedly connected with the pipe head in a screwing manner; the screwing end is a tail pipe inserted at the lower end of the middle pipe, and a screw rod is fixedly arranged in the tail pipe upwards;

the tube head is of a stepped circular truncated cone structure, a bottom end face is arranged at the transition position of the stepped circular truncated cone, a slotted hole for receiving the upper end of the screw rod is formed in the bottom end face, and a plurality of paste outlets are formed around the slotted hole;

the piston is arranged in the middle pipe, and the bottom end of the middle pipe is provided with a first central hole and a plurality of air inlet holes surrounding the first central hole; the first central hole is used for inserting the bottom end of the screw rod; the upper end of the screw rod penetrates through the central threaded through hole of the piston and reaches the groove hole in the bottom end face of the tube head.

Furthermore, the bottom end of the screw rod is a T-shaped stepped shaft; a central mounting shaft which is upwards protruded and is internally provided with a clamping slotted hole is arranged in the tube bottom of the tail tube, and the head end of the T-shaped stepped shaft is fixedly mounted in the clamping slotted hole of the central mounting shaft;

an expansion part is arranged at the matching part of the T-shaped stepped shaft and the inner wall of the bottom end of the middle pipe; a limiting convex shaft which is convex downwards is arranged at the bottom end of the first central hole of the middle pipe; the limiting convex shaft is used for limiting and matching with the T-shaped stepped shaft.

Furthermore, a gap is arranged between the upper end of the tail pipe and the lower end of the middle pipe; the outer wall of the tail pipe is provided with a screwing anti-skidding structure; the bottom end of the screw rod is in clearance fit with the first center hole of the middle pipe, the limiting convex shaft and the rotating fit position of the upper end of the screw rod and the slotted hole on the bottom end face of the pipe head.

Furthermore, the pipe body comprises a middle pipe and a tail pipe which is fixedly connected with the bottom of the middle pipe in a screwing mode;

the screwing end is a pipe head of a step round platform structure which is inserted at the upper end of the middle pipe; the tube head is provided with a bottom end surface at the transition position of the stepped circular truncated cone, and a screw rod is fixedly arranged downwards in the middle of the bottom end surface; a through paste outlet is arranged between the upper end of the screw rod and the upper end face of the tube head and is communicated with the cavity of the middle tube;

the upper end of the middle pipe is provided with a first center hole, and the first center hole is used for inserting the upper end of the screw rod;

the piston is arranged in the middle tube; the piston pipe at one side of the bottom of the piston is communicated with the interior of the pipe body of the tail pipe; the bottom end of the tail pipe is provided with a slotted hole for receiving the bottom end of the screw rod, and a plurality of air inlets are arranged around the slotted hole;

the lower end of the screw rod penetrates through the central threaded through hole of the piston and reaches the groove hole in the bottom end face of the tail pipe.

Furthermore, the upper end of the screw rod is a T-shaped stepped shaft; the paste outlet comprises a vertical through hole and a transverse through hole which is arranged at the bottom of the vertical through hole and penetrates through the left side and the right side, and the vertical through hole penetrates through the T-shaped stepped shaft and the bottom end face of the tube head up and down.

Furthermore, a central mounting shaft which is protruded downwards and is internally provided with a central hole is arranged inside the bottom end surface of the tube head, and the head end of the T-shaped stepped shaft is fixedly arranged in the central hole of the central mounting shaft;

an expansion part is arranged at the matching part of the T-shaped stepped shaft and the inner wall of the upper end of the middle pipe; the upper end of the first center hole of the middle pipe is provided with a limit convex shaft which protrudes upwards; the limiting convex shaft is used for limiting and matching with the T-shaped stepped shaft.

Furthermore, a gap is arranged between the lower end of the tube head and the upper end of the middle tube; the outer wall of the tube head is provided with a screwing anti-skidding structure; the upper end of the screw rod is in clearance fit with the first center hole of the middle pipe, the limiting convex shaft and the rotary fit position of the lower end of the screw rod and the slotted hole on the bottom end face of the tail pipe.

Compared with the prior art, the utility model discloses produced beneficial effect is:

(1) the utility model adopts the cylindrical pipe body, the screwing end cover with the screw rod is matched with the piston with the threaded hole, the piston is pushed upwards to extrude the paste body by utilizing the screw rod-thread transmission principle while the screwing end cover is screwed, and the shape of the pipe body is kept unchanged in the extrusion process; the pipe body of the utility model adopts a screwing connection splicing mode, which is convenient for installing a piston inside the pipe body; meanwhile, the utility model can design the contour of the piston head to be adapted to the contour of the bottom of the tube head, which is convenient for thoroughly extruding the paste, and is beneficial to reducing waste and saving resources; when the pipe twisting and extruding device is used, the pipe twisting and extruding process can be completed by holding the pipe with one hand, and the use is convenient; the whole structure principle is simple, the structure and the processing are convenient, and the batch production is convenient;

(2) the paste container of the utility model can be upright through the cylindrical outer tube, is convenient to place, and can also be designed into various shapes according to requirements, such as a boss shape, an ellipse shape and the like, thereby being beautiful, sanitary and strong in practicability; and the paste container of the utility model is suitable for various pastes, is not limited to toothpaste, salad dressing, tomato sauce, facial cleanser, shower gel, shampoo and the like, and has strong universality.

Drawings

Fig. 1 is a schematic structural view of a cross-sectional view of a first embodiment of the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of an upper end of a first embodiment of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of a lower end of a first embodiment of the present invention;

fig. 4 is a schematic structural view of a cross-sectional view of a second embodiment of the present invention;

fig. 5 is a schematic structural view of a cross-sectional view of a third embodiment of the present invention;

fig. 6 is a schematic view of a partial sectional structure of an upper end of the third embodiment of the present invention;

fig. 7 is a schematic view of a partial cross-sectional structure of the upper end of the third embodiment of the present invention when viewed from the left;

fig. 8 is a schematic view of a bottom partial sectional structure of a third embodiment of the present invention;

the notation in the figure is: 1-a tube head; 2-a middle tube; 3-tail pipe; 4-a piston; 5-air inlet holes; 6-paste outlet, 601-vertical through hole and 602-horizontal through hole; 7-a screw mandrel; 8-T type stepped shaft; 9-central mounting axis; 10-an expansion part; 11-a limit protruding shaft; 12-slotted hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Example one

With reference to fig. 1-3, an embodiment of the present invention provides a paste container with a screwing control one-way piston, including a coaxially disposed tube and a screwing end; the pipe body is a straight piston pipe and comprises a pipe head 1 and a middle pipe 2 which is fixedly connected with the pipe head 1 in a screwing mode, and a piston 4 is arranged inside the middle pipe 2; a paste outlet 6 is formed in the pipe body at the upper end of the piston 4, and an air inlet 5 is formed in the pipe body at the lower end of the piston 4;

the screwing end is a tail pipe 3 inserted at the lower end of the middle pipe 2, and a screw rod 7 is fixedly arranged in the tail pipe 3 upwards; the piston 4 is a soft plastic piston with sucking discs at two ends and adsorption property, a central threaded through hole matched with the screw rod 7 is formed in the piston 4, the screw rod 7 can be driven to rotate by rotating and screwing the tail pipe 3 at the end, and the screw rod 7 enables the piston 4 to move upwards to extrude paste through threaded transmission; meanwhile, in order to prevent leakage and better extrude the paste, an anti-leakage sealing gasket made of rubber is arranged at the central thread through hole of the piston 4.

Specifically, the tube head 1 is of a stepped circular truncated cone structure, the tube head 1 is provided with a bottom end face at the transition position of the stepped circular truncated cone, the bottom end face is provided with a slotted hole 12 for receiving the upper end of a screw rod 7, and a plurality of paste outlets 6 are arranged around the slotted hole 12;

the bottom end of the middle pipe 2 is provided with a first central hole and a plurality of air inlet holes 5 surrounding the first central hole, a gap is arranged between the upper end of the tail pipe 3 and the lower end of the middle pipe 2, so that the interference between the tail pipe 3 and the middle pipe 2 during screwing is avoided, the smooth air inlet of the bottom of the piston 4 through the air inlet holes 5 during screwing is ensured, the air pressure balance of the upper end and the lower end of the piston 4 is kept, and the paste is conveniently and smoothly extruded; the first central hole at the bottom end of the middle pipe 2 is used for inserting the bottom end of the screw rod 7; the upper end of the screw rod 7 passes through the central threaded through hole of the piston 4 and reaches the slotted hole 12 on the bottom end face of the tube head 1; in order to ensure the smoothness of screw rod-thread transmission, the bottom end of the screw rod 7 is in clearance fit with the first central hole of the middle pipe 2, the limiting convex shaft 11 and the rotary fit position of the upper end of the screw rod 7 and the slotted hole 12 on the bottom end face of the pipe head 1.

The bottom end of the screw rod 7 is provided with a T-shaped stepped shaft 8; a central mounting shaft 9 which is raised upwards and is provided with a clamping slotted hole is arranged in the bottom of the tail pipe 3, and the head end of the T-shaped stepped shaft 8 is fixedly mounted in a clamping slotted hole 12 of the central mounting shaft 9; in other embodiments, the screw rod 7 and the tail pipe 3 may be configured as an interference fit fixed connection structure, an integrally formed structure, or some other fool-proof design structure for connection;

an expansion part 10 is arranged at the matching part of the T-shaped stepped shaft 8 and the inner wall of the bottom end of the middle pipe 2 and is used for preventing the screw rod 7 from falling off from the middle pipe 2; the bottom end of the first center hole of the middle pipe 2 is provided with a limiting convex shaft 11 protruding downwards, and the limiting convex shaft 11 is used for being in limiting fit with the T-shaped stepped shaft 8 so as to guarantee smooth operation of screw rod-thread transmission.

In addition, the outer wall of the tail pipe 3 is provided with a screwing anti-slip structure, so that the force can be saved when the tail pipe 3 is screwed; the screwing anti-skid structure can be in a plurality of structural forms such as a wire groove structure, a grid structure or an array bump structure.

Example two

The embodiment of the utility model provides an on the basis of embodiment one, make following improvement:

as shown in fig. 4, the contour of the head of the piston 4 contacting with the paste is matched with the contour of the bottom of the tube head 1, so that the piston can be conveniently pushed to the top end of the tube head 1 when the paste in the tube is less, the paste can be extruded more thoroughly and cleanly, the waste is reduced, and the resources are saved.

EXAMPLE III

With reference to fig. 5-8, an embodiment of the present invention provides a paste container with a screwing control one-way piston, including a coaxially disposed tube and a screwing end; the pipe body is a straight piston pipe and comprises a middle pipe 2 and a tail pipe 3 which is fixedly connected with the bottom of the middle pipe 2 in a screwing mode; the bottom of the tail pipe 3 is provided with an air inlet 5, and the middle pipe 2 is internally provided with a piston 4;

the screwing end is a pipe head 1 of a step round table structure which is inserted at the upper end of the middle pipe 2; the tube head 1 is provided with a bottom end face at the transition position of the stepped circular truncated cone, the middle of the bottom end face is downwards fixedly provided with a screw rod 7, a through paste outlet 6 is arranged between the upper end of the screw rod 7 and the upper end face of the tube head 1, and the paste outlet 6 is communicated with the cavity of the middle tube 2;

the piston 4 is a soft plastic piston with sucking discs at two ends and an adsorption characteristic, and a central threaded through hole matched with the screw rod 7 is formed in the piston 4; the screw rod 7 can be driven to rotate by rotating and screwing the end tube head 1, and the piston 4 is driven to move upwards by the screw rod 7 through thread transmission to extrude paste; meanwhile, in order to prevent leakage and better extrude the paste, an anti-leakage sealing gasket made of rubber is arranged at the through hole of the central thread of the piston 4.

Specifically, the upper end of the screw rod 7 is a T-shaped stepped shaft 8, a central mounting shaft 9 which protrudes downwards and is provided with a central hole therein is arranged inside the bottom end face of the tube head 1, the head end of the T-shaped stepped shaft 8 is fixedly mounted in the central hole of the central mounting shaft 9, and in other embodiments, the screw rod 7 and the tube head 1 may be arranged into an interference fit fixed connection structure, an integrally formed structure or some other foolproof design structures for connection;

an expansion part 10 is arranged at the matching part of the T-shaped stepped shaft 8 and the inner wall of the upper end of the middle pipe 2 and is used for preventing the screw rod 7 from falling off from the middle pipe 2; the upper end of the middle pipe 2 is provided with a first central hole, and the first central hole is used for inserting the upper end of a screw rod 7; the upper end of the first center hole of the middle pipe 2 is provided with a limiting convex shaft 11 protruding upwards, and the limiting convex shaft 11 is used for being in limiting fit with the T-shaped stepped shaft 8 so as to guarantee smooth running of screw rod-thread transmission.

The paste outlet 6 comprises a vertical through hole 601 and a transverse through hole 602 which is arranged at the bottom of the vertical through hole 601 and penetrates through the vertical through hole 601 from left to right, the vertical through hole 601 penetrates through the T-shaped stepped shaft 8 and the bottom end face of the tube head 1 from top to bottom, and paste is conveniently extruded into the transverse through hole 602 under the pushing of the piston 4 and is extruded out through the vertical through hole 601.

The piston pipe at one side of the bottom of the piston 4 is communicated with the interior of the pipe body of the tail pipe 3; the bottom end of the tail pipe 3 is provided with a slotted hole 12 for receiving the bottom end of the screw rod 7, and a plurality of air inlets 5 are arranged around the slotted hole 12; the lower end of the screw rod 7 penetrates through a central threaded through hole of the piston 4 and reaches a slotted hole 12 on the bottom end face of the tail pipe 3; in order to ensure the smoothness of screw rod-thread transmission, the upper end of the screw rod 7 is in clearance fit with the first center hole of the middle pipe 2, the limit convex shaft 11 and the rotary fit part of the lower end of the screw rod 7 and the slotted hole 12 on the bottom end face of the tail pipe 3.

In addition, a gap is arranged between the lower end of the pipe head 1 and the upper end of the middle pipe 2, so that the pipe head 1 is prevented from interfering with the middle pipe 2 when being screwed; the outer wall of the tube head 1 is provided with a screwing anti-skid structure, so that force can be saved when the tube head 1 is screwed; the screwing anti-skid structure can be in a plurality of structural forms such as a wire groove structure, a grid structure or an array bump structure.

Similarly, the third embodiment of the present invention can also be further improved, and the head contour of the piston 4 contacting with the paste body is matched with the bottom contour of the tube head 1, so that the paste body is extruded more thoroughly and cleanly, and the resources are saved.

The above embodiments of the present invention all adopt cylindrical tube bodies, and by arranging the screw end cap with screw rod and the piston with threaded hole to cooperate, when the screw end cap is screwed, the piston is pushed upwards to extrude the paste by using the screw rod-thread transmission principle, and the shape of the tube body is kept unchanged during the extrusion process; the pipe body of the utility model adopts a screwing connection splicing mode, which is convenient for installing a piston inside the pipe body; meanwhile, the utility model can design the contour of the piston head to be adapted to the contour of the bottom of the tube head, which is convenient for thoroughly extruding the paste, and is beneficial to reducing waste and saving resources; when the pipe twisting and extruding device is used, the pipe twisting and extruding process can be completed by holding the pipe with one hand, and the use is convenient; the overall structure principle is simple, the structure and the processing are convenient, and the batch production is convenient.

In addition, the paste container of the utility model can be placed conveniently by the upright cylindrical outer tube, and the outer tube can be designed into various shapes according to the requirement, such as a boss shape, an ellipse shape and the like, thereby being beautiful, sanitary and strong in practicability; and the paste container of the utility model is suitable for various pastes, is not limited to toothpaste, salad dressing, tomato sauce, facial cleanser, shower gel, shampoo and the like, and has strong universality.

The above description is only an example of the present application and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A paste container for screwing a control one-way piston is characterized by comprising a pipe body and a screwing end which are coaxially arranged;

the pipe body is a straight piston pipe, and a piston (4) is arranged in the pipe body; a paste outlet (6) is formed in the tube body at the upper end of the piston (4), an air inlet (5) is formed in the tube body at the lower end of the piston (4), and a central threaded through hole is formed in the piston (4);

the end part of the screwing end is fixedly provided with a screw rod (7) which penetrates through the upper end and the lower end of the interior of the pipe body and is in threaded fit with the central threaded through hole of the piston (4), the screw rod (7) is driven to rotate by the rotating screwing end, and the piston (4) is enabled to move upwards through the screw transmission of the screw rod (7) to extrude the paste.

2. A container for paste with screw-on control one-way piston according to claim 1, wherein said piston (4) is a soft plastic piston with sucking discs at both ends and adsorption property, and an anti-leakage sealing pad made of rubber is arranged at the central threaded through hole of said piston (4).

3. Paste container with screw-controlled one-way piston according to claim 2, characterized in that the head contour of the piston (4) in contact with the paste and the bottom contour of the tube head (1) are adapted to each other.

4. A paste container with a screw control one-way piston according to any one of claims 1-3, wherein the tube body comprises a tube head (1) and an intermediate tube (2) screwed and fixedly connected with the tube head (1); the screwing end is a tail pipe (3) inserted at the lower end of the middle pipe (2), and a screw rod (7) is fixedly arranged in the tail pipe (3) upwards;

the tube head (1) is of a stepped circular truncated cone structure, a bottom end face is arranged at the transition position of the stepped circular truncated cone of the tube head (1), a slotted hole (12) for receiving the upper end of a screw rod (7) is formed in the bottom end face, and a plurality of paste outlets (6) are arranged around the slotted hole (12);

the piston (4) is arranged inside the middle pipe (2), and a first central hole and a plurality of air inlet holes (5) surrounding the first central hole are formed in the bottom end of the middle pipe (2); the first central hole is used for inserting the bottom end of the screw rod (7); the upper end of the screw rod (7) penetrates through the central thread through hole of the piston (4) and reaches the groove hole (12) on the bottom end face of the tube head (1).

5. The paste container of screwing control one-way piston according to claim 4, wherein the bottom end of the screw rod (7) is a T-shaped stepped shaft (8); a central mounting shaft (9) which is raised upwards and is internally provided with a clamping slotted hole is arranged in the bottom of the tail pipe (3), and the head end of the T-shaped stepped shaft (8) is fixedly mounted in the clamping slotted hole of the central mounting shaft (9);

an expansion part (10) is arranged at the matching position of the T-shaped stepped shaft (8) and the inner wall of the bottom end of the middle pipe (2); a limiting convex shaft (11) which protrudes downwards is arranged at the bottom end of the first central hole of the middle pipe (2); the limiting convex shaft (11) is used for limiting and matching with the T-shaped stepped shaft (8).

6. A paste container for screwing a control one-way piston according to claim 5, wherein a gap is provided between the upper end of the tail tube (3) and the lower end of the middle tube (2); the outer wall of the tail pipe (3) is provided with a screwing anti-skid structure; the bottom end of the screw rod (7) is in clearance fit with a first center hole of the middle pipe (2) and the limiting convex shaft (11), and the upper end of the screw rod (7) is in clearance fit with the rotary fit position of the slotted hole (12) on the bottom end face of the pipe head (1).

7. A screw control one way piston paste container according to any one of claims 1-3, wherein said tube body comprises a middle tube (2) and a tail tube (3) fixedly connected to the bottom of the middle tube (2);

the screwing end is a pipe head (1) of a step round platform structure which is inserted at the upper end of the middle pipe (2); the tube head (1) is provided with a bottom end surface at the transition position of the stepped circular truncated cone, and a screw rod (7) is fixedly arranged downwards in the middle of the bottom end surface; a through paste outlet (6) is arranged between the upper end of the screw rod (7) and the upper end face of the tube head (1), and the paste outlet (6) is communicated with the cavity of the intermediate tube (2);

the upper end of the middle pipe (2) is provided with a first central hole, and the first central hole is used for being inserted into the upper end of the screw rod (7);

the piston (4) is arranged inside the middle pipe (2); a piston pipe at one side of the bottom of the piston (4) is communicated with the interior of the pipe body of the tail pipe (3); the bottom end of the tail pipe (3) is provided with a slotted hole (12) for receiving the bottom end of the screw rod (7), and a plurality of air inlets (5) are arranged around the slotted hole (12);

the lower end of the screw rod (7) penetrates through a central thread through hole of the piston (4) and reaches a groove hole (12) in the bottom end face of the tail pipe (3).

8. A paste container for screwing a control one-way piston according to claim 7, wherein the upper end of the screw rod (7) is a T-shaped stepped shaft (8); the paste outlet (6) comprises a vertical through hole (601) and a transverse through hole (602) which is arranged at the bottom of the vertical through hole (601) and penetrates through the left and right, and the vertical through hole (601) penetrates through the T-shaped stepped shaft (8) and the bottom end face of the tube head (1) up and down.

9. The paste container with the screw-controlled one-way piston according to claim 8, wherein a central mounting shaft (9) which is protruded downwards and is provided with a central hole is arranged inside the bottom end face of the tube head (1), and the head end of the T-shaped stepped shaft (8) is fixedly mounted in the central hole of the central mounting shaft (9);

an expansion part (10) is arranged at the matching part of the T-shaped stepped shaft (8) and the inner wall of the upper end of the middle pipe (2); the upper end of a first central hole of the middle pipe (2) is provided with a limit convex shaft (11) which protrudes upwards; the limiting convex shaft (11) is used for limiting and matching with the T-shaped stepped shaft (8).

10. The paste container with the screw control one-way piston according to claim 9, wherein a gap is provided between the lower end of the tube head (1) and the upper end of the middle tube (2); the outer wall of the tube head (1) is provided with a screwing anti-skid structure; the upper end of the screw rod (7) is in clearance fit with the first center hole of the middle pipe (2) and the limiting convex shaft (11), and the lower end of the screw rod (7) is in clearance fit with the rotary fit position of the slotted hole (12) on the bottom end face of the tail pipe (3).

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